ZIP code 94598

Contra Costa County, including Walnut Creek, North Gate, Shell Ridge and others

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Report created October 31, 2026 at www.firezones.org/zip/94598

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 1,499 acres · State Responsibility Area 11%
    2. High 7,862 acres · 6,021 state, 1,841 local 60%
    3. Moderate 330 acres · 5 state, 325 local 3%
    4. Non-wildland 3,509 acres · Local Responsibility Area 27%

    13,201 acres of land in all, 7,525 in the State Responsibility Area and 5,676 in the Local. State zones are the ones the State Fire Marshal designated, in effect since April 1, 2024. Local zones are CAL FIRE's 2025 recommendation, which each city or county adopts by ordinance and can make stricter. How to read fire zones

  • Fire history

    Fires CAL FIRE has recorded here

    1. 1977 Mitchell Canyon Fire 4,859 acres in total 1,377 acres here
    2. 2013 Morgan Fire 3,108 acres in total · Cause: Miscellaneous 445 acres here
    3. 1961 State Park #2 Fire 1,241 acres in total 274 acres here
    4. 1981 Blackhawk Fire 2,361 acres in total · Cause: Arson 40 acres here

    The most recent was the 2013 Morgan Fire, which burned 445 acres here. In all, 1,892 acres of ZIP code 94598 have burned. Acres are the land each fire burned here, and fires that crossed less than an acre are not counted. Some older or smaller fires may be missing, and a fire perimeter can include unburned patches. How to read fire history

Nearby areas

Communities in ZIP code 94598

Neighboring ZIP codes

  1. 94598 11% Very High · this area
  2. 94506 13% Very High
  3. 94507 50% High · 5% Very High
  4. 94517 88% Very High
  5. 94518 11% Moderate · 1% High
  6. 94521 33% High · 1% Very High
  7. 94523 9% Moderate · 3% High
  8. 94528 52% High · 1% Very High
  9. 94588 73% High · 2% Very High
  10. 94596 23% High
  11. 94597 11% Moderate

Sources

Fire hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published June 27, 2025, local map February 2, 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published July 28, 2026

This site is independent and not affiliated with CAL FIRE, so for an official determination, check with the agency or your city or county. How we read the data